Golf-ball.



, P'ateritad Dec. I6 I902.

E; SCHULTZ.

. GOLF BALL. (Application file d June 17, 1902.

By 15 is/[#01026 fgma/im m 2 m 7 a N.

UNITE STATES 5 EMMET SCHULTZ, OF ARLINGTON NEIV JERSEY, ASSIGNOR TO THEARLINGTON COMPANY, A CORPORATION OF NEW JERSEY.

GOLF-BALL.

SPECIFICATION forming part of Letters Patent No. 716,291, dated December16, 1902.

Application filed Tune 17, 1902- Serial No. 112,108. (No model.)

To atZZ whom it may concern:

Be it known that I, EMMET SCHULTZ, a citizen of the United States,residing in Arlington, in the county of Hudson and State of New Jersey,have invented certain new and useful Improvements in Golf-Balls, ofwhich the following is a specification.

This invention relates to playing-balls, especially those used in thegame of golf; and its object is to reduce expense of makingtheball,while increasing the efficiency and dura bility thereof.

The accompanying drawing shows, partly in section, a golf-ball made inaccordance with my improvements.

. ispheres of plastic material, preferably celluloid, to form a shell 3,said shell holding the core in a state of high compression. Oneimportant advantage of my improvement resides in the stability of thecore at the operation of compressing the shell upon the ball, since thecore is not affected by heat incident to the welding operation, andhence the centerpiece is not liable to soften and change L its shape orget out of center under the great pressure to which the ball issubjected at this operation. Whencelluloid is used for the shell, itbecomes incorporated with the celluloid or pyroxylin B in the core, thusminimizing the liability of separation of the shell fromthe core. Thedescribed core forms in practice an excellent backing for the celluloid,minimizing the liability of the latter to crack and renderingthe ballefficient in driving and putting.

In forming the core the compressible cork and celluloid mixture ispreferably hardened under great pressure, so thatitis of smaller bulkthan if the pressure were not applied,

and it will be understood that at the operation of welding or formingthe shell upon the ball the core is again subjected to great pressure,which is maintained while the entire ball hardens, so that the cork andthe celluloid, collodion, or pyroxylin with which it is mixed arepermanently retained under compression, and the mass therefore has atendency to expand the shell, and hence to preserve the spherical formthereof and aid the latter in promptly recovering its form whendistorted by a blow, thereby increasing the liveliness of the ball. Theresistance of the cork to further pressure is, however, so great as notto be unduly affected by alight blow,

and hence the ball is found to be excellent for putting. It will befurther understood that the pyroxylin exists in the core in the form ofa continuous irregular honeycomb or agglomeration of cells, and is hencequite stiff and resisting, especially since itis backed by the particlesof compressed cork, and conduces to the playing qualities of the ball,and since the shell is formed of the same or kindred material andbecomes incorporated therewith at the union of the core and the shell itis seen that a ball of unusual solidity and effectiveness is produced.Any shock received by the ball is transmitted by the hard pyroxylin tothe cork, which being in a state of high compression is effective tocushion the bloW and by its reaction to aid the flight of the ball.

In using the term cork or granulated cork I mean to include allsubstitutes therefor-such, for instance, as sawdust-Arr severalcomminuted substances may be incorporated with the pyroxylin. Cork andrubber or cork, rubber, and sawdust may be used or any other mixture oflight material. In some cases I have used with good results fifty percent., by weight, of cork and fifty per cent. of celluloid in plasticcondition.

Having described my invention, I claim- 1. A playing-ball comprising aspherical core of granulated cork incorporated with pyroxylin, and ashell of celluloid incorporated with said core. 1

2. A-playing-ball comprising a spherical core of granulated corkincorporated with pyroxylin, and a shell of celluloid incorporated withsaid core, and holding the same under compression.

3. In a playing-ball, a hard sphere consisting of granulated corkincorporated with pyroxylin and in a state of high compression.

4. In a playing-ball the combination of a sphere consisting ofgranulated cork incorporated with pyroxylin and in a state of highcompression, and a hard cover.

5. In a playing-ball, the combination of a core consisting of granulatedcork incorporated with pyroxylin and in a state of high compression, anda hard shell of plastic material upon said core.

6. In a playing-ball, a hard sphere consisting of elastic comminutedmaterial in a state of compression and incorporated with pyroxylin.

7. A playing-ball comprising a spherical core of granulated corkincorporated with pyroxylin and in a state of high compression, and ashell of celluloid upon said core.

8. A playing-ball comprising a spherical core of granulated corkincorporated with pyroxylin and highly compressed, and a shell ofcelluloid incorporated with said core.

9. A playing-ball comprising a spherical core of granulated corkincorporated with pyroxylin and highly compressed, and a shell ofcelluloid incorporated with said core, and holding the same undercompression.

10. A playing-ball comprising a shell of plastic material and a spherewithin and joined to said shell; said inner sphere consisting ofcomminuted material mixed with plastic material which is similar incomposition to the material of said shell.

11. A playing-ball comprising a shell, and pyroxylin united to andexisting within the shell in the form of a continuous irregularhoneycomb which is stiff and resisting, said shell consisting of kindredmaterial.

12. A playing-ball comprising a shell, and springy plastic materialincorporated with and existing Within the shell in the form of acontinuous irregular honeycomb which is stiff and resisting, said shellbeing formed of celluloid'.

EMMET SCHULTZ.

Witnesses:

B. O. STICKNEY, J OHN O. SEIFERT.

